- Size: L2=37mm
 - Weight 10g/pc
 - Material: galvanized steel
 

Couplings for optimal movement and transmission are part of the precise and controlled generation/transmission of power.
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See the technical drawing:
Product 730090 (A = 20 mm, b = 10 mm, L1 = 42 mm)
Product 730040 (A = 20 mm, b = 10 mm, L1 = 52 mm)
